Route53 Client Sample of AWS SDK for .NET C#

Program.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;

using Amazon;
using Amazon.Route53;
using Amazon.Route53.Model;

namespace AWS_Console_App1
{
    class Program
    {
        public static void Main(string[] args)
        {
            Console.Write(GetServiceOutput());
            Console.Read();
        }

        public static string GetServiceOutput()
        {
            StringBuilder sb = new StringBuilder(1024);
            using (StringWriter sr = new StringWriter(sb))
            {
                AmazonRoute53 r53Client = AWSClientFactory.CreateAmazonRoute53Client();
                try
                {
                    // DNS round-robbin
                    List<ResourceRecord> records = new List<ResourceRecord>();
                    ResourceRecord record1 = new ResourceRecord().WithValue("1.2.3.4");
                    ResourceRecord record2 = new ResourceRecord().WithValue("5.6.7.8");
                    records.Add(record1);
                    records.Add(record2);

                    ResourceRecordSet recordSet = new ResourceRecordSet()
                    .WithName("bar.example.com")
                    .WithType("A")
                    .WithTTL(300);
                    recordSet.ResourceRecords = records;

                    ChangeBatch changebatch = new ChangeBatch();
                    List<Change> changes = new List<Change>();
                    Change change = new Change()
                    .WithAction("CREATE")
                    .WithResourceRecordSet(recordSet);
                    changes.Add(change);
                    changebatch.Changes = changes;

                    ChangeResourceRecordSetsRequest request = new ChangeResourceRecordSetsRequest()
                    .WithHostedZoneId("XXXXXXXXXXXXX")
                    .WithChangeBatch(changebatch);


                    ChangeResourceRecordSetsResponse response = r53Client.ChangeResourceRecordSets(request);
                    sr.WriteLine(response.ToString());
                }
                catch (AmazonRoute53Exception ex)
                {
                    if (ex.ErrorCode != null && (ex.ErrorCode.Equals("InvalidAccessKeyId") ||
                    ex.ErrorCode.Equals("InvalidSecurity")))
                    {
                        sr.WriteLine("Please check the provided AWS Credentials.");
                        sr.WriteLine("If you haven't signed up for Amazon Route53, please visit http://aws.amazon.com/s3");
                    }
                    else
                    {
                        sr.WriteLine("Caught Exception: " + ex.Message);
                        sr.WriteLine("Response Status Code: " + ex.StatusCode);
                        sr.WriteLine("Error Code: " + ex.ErrorCode);
                        sr.WriteLine("Request ID: " + ex.RequestId);
                    }
                }
                catch (Exception ex)
                {
                    sr.WriteLine(ex.ToString());
                }
                sr.WriteLine("Press any key to continue...");
            }
            return sb.ToString();
        }
    }
}